Home / 50,855.31-70,184.47-28,201.40

Finding the Fourth Proportional to 50,855.31, 70,184.47 and 28,201.40

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Solution

The fourth proportional to 50,855.31, 70,184.47 and 28,201.40 is: 38,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.31 : 70,184.47 = 28,201.40 : x
  2. Step 2: Convert to fraction form
    50,855.31/70,184.47 = 28,201.40/x
  3. Step 3: Cross multiply
    50,855.31x = 70,184.47 × 28,201.40
  4. Step 4: Simplify right side
    50,855.31x = 1,979,300,312.26
  5. Step 5: Solve for x
    x = 1,979,300,312.26/50,855.31
  6. Step 6: Final answer
    x = 38,920.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.